baber/WOPTO huggingface dataset:
Patent KR-20000004228-A (KR)
Title: Overlay error measuring mark
Inventor: KIM JU HWAN
IPC: H01L21/66
Filed: 1998-06-30
Abstract: PURPOSE: An overlay error measuring mark is provided to improve the reliability of an overlay error measuring value. CONSTITUTION: The overlay error measuring mark for measuring an overlay accuracy of a semiconductor device comprises: an overlay outside box mark(25) of the positive pole; and an overlay inside box mark(26) of the positive pole formed in a size smaller than the size of the overlay outside box mark of the positive pole on the overlay outside box mark of the positive pole. Also, the overlay error measuring mark for measuring an overlay accuracy of a semiconductor device comprises: an overlay outside box mark(25) of the negative pole; and an overlay inside box mark(26) of the negative pole formed in a size bigger than the size of the overlay outside box mark of the negative pole on the overlay outside box mark of the negative pole. Also, the overlay error measuring mark for measuring an overlay accuracy of a semiconductor device comprises: an overlay outside box mark(25) of the positive pole; and an overlay inside box mark(26) of the positive pole formed to be partially overlaid the overlay outside box mark of the positive pole on the overlay outside box mark of the positive pole.
Patent KR-20000007634-A (KR)
Title: Method for manufacturing lcd
Inventor: LEE CHUNG HUI
IPC: G02F1/136
Filed: 1998-07-06
Abstract: PURPOSE: A method for manufacturing a LCD is provided, which displays a picture through a pixel electrode to be formed in a unit pixel. CONSTITUTION: A method for manufacturing a LCD comprises the steps of: depositing a protecting film on a transparent substrate (100) on which a data pattern is formed, wherein the data pattern includes a gate pattern having a gate line and a gate electrode, a channel layer to be formed at a portion corresponding to the gate electrode, a data line (600) for defining a pixel region, and a source/drain electrode; performing a patterning of the protecting film and forming a contact hole; depositing a transparent conductive film; firstly depositing a photosensitive resistor on an upper portion of the transparent film; performing a patterning of the transparent film and forming a first pixel electrode (820); secondly depositing the photosensitive resistor; and performing the first pixel electrode (820) and forming a second pixel electrode. Therefore, the pixel badness is minimized.
Patent KR-19990013668-A (KR)
Title: 촬상 장치
IPC: H04N5/253
Filed: 1998-07-08
Abstract: 한대로 영화 필름에 기록된 화상을 실시간으로 비디오 신호로 변환하는 처리와 영화 필름에 기록된 화상을 고 해상도로 비디오 신호로 변환하는 처리를 실현 가능하게 한다. 
     사용자는 모드 전환 스위치(4)로 제 1 동작 모드와 제 2 동작 모드를 선택한다. 제 1 동작 모드에서는 영화 필름(10)의 각 코마의 화상을 차례로 실시간으로 촬상함과 동시에 광축 보정부(34)로 화상의 흔들림을 보정한다. 제 2 동작 모드에서는 영화 필름(10)의 동일한 코마에 대해서 광축 보정부(34)로 촬상 소자(25c)의 화상 피치의 2분의 1에 해당하는 양만큼 다른 복수의 광축 위치를 선택하여 각 광축 위치마다 동일한 코마의 화상을 촬상하여 각 광축 위치마다 코마의 화상을 촬성한다.
Patent KR-20000008051-A (KR)
Title: Dry etching method using dry etching apparatus
Inventor: KO DONG HWAN
IPC: H01L21/3065
Filed: 1998-07-09
Abstract: PURPOSE: A dry etching method of semiconductor device manufacturing system is provided to prevent an etching error by improving an etching selectivity against of a photoresist. CONSTITUTION: The dry etching method using dry etcher comprises the steps of inserting a wafer(10) into a process chamber(30); sequentially applying 1000 - 1400 watts into an anode electrode(34) of the chamber and applying 80 - 120 watts into a cathode electrode(32) of the chamber; sequentially supplying bromide hydrogen gas of 100-150 sccm and chloride gas of 10-50 sccm into the process chamber(30), wherein the pressure of the chamber is 10 mT - 20 mT; and dry etching the wafer(10) under the process conditions. The temperature of the cathode electrode(32) holds a range from 15°C to 30°C. The dry etcher is ICP(inductively coupled plasma) type.
Patent KR-19990013781-A (KR)
Title: 칼라 디스플레이 장치의 표시특성 측정장치 및 그것의 교정방법
IPC: H04N17/04
Filed: 1998-07-10
Abstract: 칼라 표시특성 측정장치에는 제 1 색 성분을 촬상하기 위한 제 1 촬상장치와, 제 2 색 성분을 촬상하기 위한 제 2 촬상장치와, 제 1 촬상장치와 제 2 촬상장치가 모두 감도할 수 있는 단일의 색으로 디스플레이되는 측정 화상을 칼라 디스플레이 장치가 그 위에 측정 화상을 디스플레이 하게 하는 측정 화상  생성기와, 제 1 촬상 장치에 의한 제 1 촬상과 제 2 촬상 장치에 의한 제 2 촬상에 의해서 제 1 , 제 2 촬상 장치 사이의 상대적 변이를 교정하는 교정 데이터를 산출하는 산출기가 설치되어 있다.
Patent KR-20000010097-A (KR)
Title: Coil, and apparatus to join connection component for supplying electric source to draw lines from the coil
Inventor: SONG SEUNG KEUN
IPC: H01F41/00
Filed: 1998-07-30
Abstract: PURPOSE: A coil and a joining apparatus for the coil are provided to prevent a characteristic distortion and a gas pollution due to connecting process by heat. CONSTITUTION: Disclosed is a joining apparatus comprising a pressing unit(30), a joining unit(40), a transferring unit(50), an arranging unit(60) and a cutting unit(70). In the pressing unit(30), a pressing air cylinder(32) is driven by a control signal. A pressing portion(34) is installed at the end of a ram(33) of the pressing air cylinder(32) to cut drawing lines from a wire bundle(10). A guide bar(35) is parallel to the ram(33). A slider(36) is movably installed at the guide bar(35) to prevent rotation of driving ram(33). Thereby, the pressing force and location can be precisely adjusted. so that the characteristic distortion and the gas pollution can be prevented.
Patent KR-20000010252-A (KR)
Title: Method for fabricating substrate of liquid crystal display
Inventor: LEE WON HUI
IPC: G02F1/1333
Filed: 1998-07-31
Abstract: PURPOSE: An LCD substrate fabricating method is provided to decrease variation in luminance difference generated by stitch error which is observed in a boundary of division regions for exposure to light. CONSTITUTION: The method comprises the steps of exposing a first thin film using plural shots including first and second shots adjacent to each other within active region; and exposing a second thin film using plural shots including third and fourth shots adjacent to each other within the active region such that a boundary of the third and fourth shots does not correspond to a boundary of the first and second shots. Thus, the first thin film has a different stitch area from the second thin film, thereby decreasing the stitch error and enhancing the display quality.
Patent KR-19990023907-A (KR)
Title: 전원 공급 어댑터 회로
IPC: H04M19/08
Filed: 1998-08-27
Abstract: 본 발명은 정규된 값을 갖는 출력 전압(VDD)를 부하에 인가하는 어댑터 회로(PSA)에 관한 것으로, 비교기 모듈(OA), 및 미리 설정된 공칭 정규 값(Vreg0)으로 출력 전압(VDD)의 값을 조정하기 위한 정규 모듈(RM)을 구성한다. 
     본 발명은 어댑터 회로(PSA)의 출력이 공칭 정규 값(Vreg0)보다 더 높은 값을 갖는 전압(Vext)을 상기 출력상에 부과하는 외부 전원 공급원에 연결될 때에는 정규 모듈(RM)을 항상 억제시킨다.
Patent KR-19990023988-A (KR)
Title: 동축 고주파 케이블
IPC: H01B11/18
Filed: 1998-08-28
Abstract: 본 발명은, 이격 유지물로서 광물 재료를 포함하는 절연체(2) 자체를 에워싸는 내부 도체(1)와, 절연체(2)에 의해 내부 도체(1)에 동심으로 배치된 환형 외부 도체(3)로 이루어진 동축의 고주파 케이블에 관한 것이다.  화재시, 기능 유지를 위하여, 이격 유지물은 열 가소성 수지 절연 재료 및 광물 재료의 결합으로 형성된다.
Patent KR-20000015558-A (KR)
Title: An image coding device using a space correlativity and a method thereof
Inventor: LEE SANG HUN
IPC: H04N19/12
Filed: 1998-08-31
Abstract: PURPOSE: An image coding device is provided to code an image signal, from the same image of a suspended image and a MPEG-4 to an intra mode. CONSTITUTION: An image coding device using a space correlativity comprises a DC(Direct Current) detector, a DC counter estimate block, and a AC(Alternating Current) counter estimate block. The DC detector detects an intra DC counter when a N.N current block to be coded is applied, and generates a select control signal corresponding to the result. The DC counter estimate block decides a N.N counter reference block for coding the detected intra DC counter, according to comparison of the horizontal and the vertical gradient absolute value between the intra DC counter values, in a plurality of precoded neighboring blocks, neighboring to the N.N current block, and the DC counter estimate block generates a DC estimate by performing an estimate coding between the intra DC estimate values, in the decided estimate reference block, and the intra DC estimate value, in the current block. The AC counter estimate block decides the N.N estimate reference block for coding the AC counters in the current block, by comparison of a horizontal and a vertical correlativity between the intra AC estimate values, preset in a plurality of pre-coded neighbor blocks, neighboring to the N.N current block.
Patent KR-20000018455-A (KR)
Title: Arc process capacity of intelligent peripheral system and service quality measurement system
Inventor: CHANG DONG MAN
IPC: H04L12/28
Filed: 1998-09-02
Abstract: PURPOSE: An arc process capacity of an intelligent peripheral system and a service quality measurement system is provided to measure the capacity of an arc process and the service quality by measuring the number of arc process per the unit time and the delay time. CONSTITUTION: The arc process capacity of an intelligent peripheral system and a service quality measurement system comprises: an input processor(210) for storing and transmitting a parameter information from the outside; a message receiver(220) for receiving messages from the intelligent peripheral system; a sound source provider(230) for providing a sound message and a complex frequency code to the intelligent peripheral system; a coherent unit(240) for cohering the received signal and the transmitted signal; a sound source providing controller(250) for controlling the sound source; a coherent controller(260) for control the coherent signal; a result analyzer(270) for analyzing the results; and a message generator for providing the message to intelligent peripheral system.
Patent KR-20000018502-A (KR)
Title: Method for manufacturing a trench isolation
Inventor: BAE KYUNG SEONG
IPC: H01L21/31
Filed: 1998-09-02
Abstract: PURPOSE: A trench isolation method is provided to improve a reliability and prevent a bridge due to a poly stringer generated in a dent portion by removing SiN liner dent formed at edge portions of the trench. CONSTITUTION: A trench(108) is formed by etching a semiconductor substrate(100) using a trench etching mask(106). After a thermal oxide(110) is formed in the trench, a SiN liner(112) is formed on the trench etching mask and the thermal oxide. A trench isolating layer(114) is formed by filling the trench. H3PO4 strip process is performed to remove the trench etching mask(106) while a portion of the SiN liner(112) is both etched, thereby generating a SiN liner dent(115). A poly spacer(116a) is formed at the dent portion(115) by filling a polysilicon layer into the dent portion, and then an oxide layer(118) is formed by oxidation the poly spacer(116a). Thereby, a bridge is prevent when a gate poly formation.
Patent KR-20000019115-A (KR)
Title: Transparent coating composition with abrasion resistance for preventing static electricity
Inventor: NAM DONG JIN
IPC: C09D5/25
Filed: 1998-09-08
Abstract: PURPOSE: A coating composition of a silicon system and a method thereof are provided to form a film, presenting a static electricity preventing property and abrasion resistance simultaneously on the surface layer, when thermosetting by spreading on solid materials such as plastics. CONSTITUTION: A coating composition comprise: basic resin for including 5-75 weight percent of water colloid silica with pH2-11, 20-85 weight percent of a condensate part or hydrolysis of organic silanol with a chemical formula 1(R1a Si(OR2)4-a), and 25-60 weight percent of conductive particle dispersion solution of water dispersion and alcohol dispersion including more than one conductive particle, by a standard of total solid powder in the dispersion solution of the basic resin; a dispersion stabilizer for including more than one chemical formula 2(Zr4O(OPrn)10(acac)4) or a zirconium compound of a chemical formula 3(Zr10O6(OH)4(OPrn)18(AA)6); a thermosetting catalyzer; and 10-50 weight of C1-C2 alcohol sorts for the basic resin 100 weight. In the formula, R1 and the R2 are selected in the group of alkyl radical, alkenyl radical, aryl radical, alkyl halide radical of the C1-C6; a is a positive number of O or 3, the Pr is a propyl; acac is an acetylacetone; AA is an acetylacetonate; and n is a positive number.
Patent KR-19980087708-A (KR)
Title: 컴퓨터 가요반주 시스템의 신곡연습 제어방법
Filed: 1998-09-08
Abstract: 본 발명은 컴퓨터 가요반주 시스템에 관한 것으로서, 사용자가 새로운 곡을 배울 수 있도록 신곡연습 기능이 부가된 컴퓨터 가요반주 시스템을 제공하기 위한것이다.    상기 컴퓨터 가요반주 시스템의 신곡연습 제어 방법은 신곡 연습키 입력부로부터의 신곡-연습곡 플레이 명령이 입력되었는지를 검색하는 과정과, 상기 검색 과정에서 상기 신곡-연습곡 플레이 명령이 입력될 때 상기 내부저장매체로부터 신곡-연습곡 리스트에 해당하는 가수 목소리 웨이브를 읽어 상기 음성데이터 장치로 출력하고, 상기 신곡-연습곡 플레이 명령의 입력이 없을 때 상기 내부 저장매체로부터 코러스 웨이브를 읽어 상기 음성데이터 장치로 출력하는 과정으로 이루어진다.
Patent KR-20000019929-A (KR)
Title: Method for manufacturing semiconductor device
Inventor: KIM BYUNG DONG
IPC: H01L21/28
Filed: 1998-09-16
Abstract: PURPOSE: A method for manufacturing semiconductor device is provided to minimize the formation of the oxide film in heat treatment of a polysilicon film, thereby previously preventing the generation of the failure and enhancing reliability and productivity. CONSTITUTION: A method for manufacturing semiconductor device comprises a step forming a polysilicon film as a gate of a transistor on a semiconductor substrate, and a heat treatment step. In the heat treatment step, the chamber containing the semiconductor substrate is heated by the temperature to perform heat treatment the polysilicon film in-situ, and at the same time remnant gas within the chamber is removed.
Patent KR-20000020151-A (KR)
Title: Keyboard combination structure of notebook pc
Inventor: CHIN BYUNG YOON
IPC: G06F1/16
Filed: 1998-09-18
Abstract: PURPOSE: A keyboard combination structure of a notebook PC is provided to fix and separate easily a keyboard from a main body of a notebook PC by using a fixing device and a switching device. CONSTITUTION: A keyboard combination structure of a notebook PC comprises a keyboard(40), a fixing device, a switching device, and a connection device. The keyboard inputs data from a notebook PC. The fixing device fixes one end of the keyboard. The switching device is located at a lower end of a main body of the notebook PC to separating the keyboard from a main body(60) of the notebook PC by moving the fixing device. The connection device connects the switching device to the fixing device.
Patent KR-20000021277-A (KR)
Title: Wafer transferring apparatus of spinner for preventing breakage of wafer
Inventor: KIM YONG SU
IPC: H01L21/68
Filed: 1998-09-28
Abstract: PURPOSE: A wafer transferring apparatus of a spinner is to improve a shape of a wafer supporter, thereby preventing a breaking and a scratching of a wafer when transferring the wafer. CONSTITUTION: A wafer transferring apparatus comprises a fixing portion(100) for connecting with a robot arm, a wafer supporter(104) connected with the fixing portion and directly contacted with a rear face of a wafer so as to support the wafer, and a connecting portion(102) connecting the fixing portion with the wafer supporter. The wafer supporter is wider than a plane surface of a flat zone of the wafer and has a protrusion(106) for reducing a surface contacted with the wafer. Therefore, the contacting surface with the wafer is minimized by the protrusion, thereby restraining a generating of particles. Although the flat zone is exactly overlapped with the wafer supporter, since the width of the wafer supporter is wider than the flat zone, the wafer is prevented from going through or being scratched.
Patent KR-20000021678-A (KR)
Title: Device for automatically converting channel after completion of program in television receiver
Inventor: PARK JOO DEOK
IPC: H04N5/50
Filed: 1998-09-30
Abstract: PURPOSE: A device for automatically converting channel after completion of program in television receiver is provided to automatically convert into a reserved channel after completion of the program. CONSTITUTION: A device for automatically converting channel after completion of program in television receiver comprises an A/D converter(21), a frame storage unit(22), a character recognition unit(23), and an automatic channel converting key. The A/D converter(21) receives image intermediate frequency signals from a P/S separator(4) and outputs digital image signals. The frame storage unit(22) stores the digital image signals by one frame. The character recognition unit(23) reads the digital image signals of one frame from the frame storage unit(22) to recognize character and abstract the pattern of the character. The automatic channel converting key is mounted on a remote control device(7).
Patent KR-19990037360-A (KR)
Title: 킬로와트 파워 트랜지스터
IPC: H01L23/495
Filed: 1998-10-24
Abstract: 높은-전력 높은-전압 트랜지스터가 금속플랜지(12)상에서 열적 접촉을 갖도록 장착된 4개 또는 그이상의 반도체 다이(14)를 갖는다.  각 다이(14)는 하측표면의 적어도 80%에서 드레인(콜렉터)영역이 형성된 평평한 하측표면을 갖는다.  게이트(베이스)영역과 소스(에미터)영역이 상기 다이의 상축표면에 제각기 형성된다.  드레인 영역은 상기 플랜지(12)와 직접 전기적 및 열적 접촉을 하도록 위치가 정해져서 플랜지가 상기 트랜지스터 다이(14)를 위한 드레인 리드로서 작용하도록 한다.  상기 다이는 대략 1 킬로볼트 또는 2이상의 드레인-소스 브레이크다운 전압(또는 콜렉터-에미터 브레이크다운 전압)그리고 일십만(100,000 평방밀) 또는 그이상의 면적을 갖는다.  드레인(콜렉터)영역과 플랜지사이의 몰리브덴 탭(57)은 열로인해 발생된 트랜지스터로부터 상기 다이를 보호한다.  상기 다이들은 MOSFET 전력 트랜지스터, 쌍극형 접합 트랜지스터 또는 다른 고체-상태 트랜지스터 일 수 있다.  오벌(oval) 리드 프레임(60)이 상기 소스영역으로 연결시키기위해 사용될 수 있다.  원형배치는 원형 플랜지(112)상에 칩(114)의 배열을 갖게된다.  상기 트랜지스터는 DC 접지 드레인, RF 공통 소스 증폭기 회로로 실시될 수 있다.  상기 게이트-소스 입력은 상기 드레인이 DC 이도록하고 열적으로 접지될 수 있도록 이동(float)할 수 있다.  상기 RF  전류 경로는 통상의 공통 소스(에미터)이다.
Patent KR-20000027677-A (KR)
Title: Method for producing polyester fabric having excellent natural feeling and melange effect
Inventor: KIM BYEONG IL
IPC: D06P1/41
Filed: 1998-10-29
Abstract: PURPOSE: A method for producing a polyester fabric is provided to embody the touch of natural fiber through the fabric is decrease-processed under 10%, and to embody the excellent drapability and the melange effect. CONSTITUTION: A warp of a polyester fabric is used a dividing typed polyester/polyamide conjugated yarn having a mono fineness under 0.3deniers after dividing. The content of the conjugated yarn is 60-70% for the weight of the fabric. A weft is used a polyester yarn of cation dyes dyeing property, and the fabric is decreased with the decreasing rate of 5-10% after weaving the fabric having the 40-60% emitted frequency of the weft to the surface of the fabric. The polyester fabric is produced to embody not only the touch of natural fabric but also the melange effect by the color difference and the excellent drapability by using the polyester of cation dyes dyeing property and the polyester/polyamide conjugated yarn for very fine yarn.
Patent KR-20000031139-A (KR)
Title: Test circuit for inside memory of semiconductor device circuit
Inventor: KIM MYEONG HWAN
IPC: G11C29/00
Filed: 1998-11-03
Abstract: PURPOSE: A test circuit is provided to effectively and automatically perform a test in inside memory of semiconductor device circuit. CONSTITUTION: A test circuit includes a test pattern generator (100), an input data buffer (101), a write address counter (102), a read address counter (104), a read-write driver (108), an output data buffer (106), a data comparator (107), and an address indicator (105). The test pattern generator (100) generates test pattern data and transmits the data to the input data buffer (101). The data are inputted to a corresponding memory cell (103) from the input data buffer (101) by the read-write driver (108) and the read address counter (104), and outputted to the output data buffer (106) from the memory cell (103) by the read-write driver (108) and the write address counter (102). The comparator (107) compares the input and output data of the memory cell (103). If the input and output data do not correspond because of failed memory cell, the address indicator (105) indicates the address number of the failed cell.
Patent KR-19990081781-A (KR)
Title: 안료의 미세 분산액을 함유한 잉크-젯 잉크의 균질화 방법
IPC: B41J2/01
Filed: 1998-11-12
Abstract: 본 발명의 잉크는 비히클 및 착색제를 포함한다.  착색제는 잉크-젯 프린터에서 노즐 막힘을 감소시키도록 처리된 안료이다.  이들 안료의 성능은 안료를 0.1 ㎛의 크기로 균질화시키는 극압 밸브 방법을 통과시킴으로써 개선된다.
Patent KR-20000032646-A (KR)
Title: System and method for distributing software by using satellite channel, method for operating transferring server of software thereof, and method for operating personal computer
Inventor: JEON GYEONG JAE
IPC: H04L12/28
Filed: 1998-11-17
Abstract: PURPOSE: A system and a method for distributing software, a method for operating a transferring server of software thereof, and a method for operating a personal computer are provided to distribute software to plural terminal stations at the same time by using simplex satellite channel based on MPEG-2(Moving Picture Experts Group-2) in a satellite internet network. CONSTITUTION: When a personal computer receives a plan message of transfer from a transferring server of software in an initial pause state for transiting into a standby state for receiving data transfer starting packet. Then, if the data transfer starting packet or data packet is received, the personal computer is transited to standby state of data packet reception for storing the data packet normally received. Also, the process is repeated for a certain time. If the data packet is transferred without an error or a certain time is passed, the personal computer is transited to the pause state.
Patent KR-20000032916-A (KR)
Title: General facsimile supporting multi national communication and method for controlling the facsimile
Inventor: KIM JAE HO
IPC: H04N1/333
Filed: 1998-11-18
Abstract: PURPOSE: A general facsimile supporting multi national communication and a method for controlling the facsimile are provided for supporting multi languages for user's convenience. CONSTITUTION: A general facsimile supporting multi national communication includes a control panel(20), a national communication information storage(30), and a central processor(50). The facsimile receives and transmits a fax data from a communication device(10). The control panel(20) includes a key to select a nation. The national communication information storage(30) stores national communication information. The central processor(50) detects the national communication information from the national communication information storage(30) and sets a communication mode of the communication device(10) for facsimile communication.
Patent KR-19990045689-A (KR)
Title: 로봇 장치 및 그 구동 제어 방법
IPC: G05B15/02
Filed: 1998-11-30
Abstract: 모듈러형 로봇 장치에 있어서, 각 구성 유닛에 역할에 관한 역할 정보를 기억하는 기억 수단을 설치함과 동세에, 각 구성 유닛의 역할 정보에 근거하여 각 구성 유닛의 역할을 인식하는 인식 수단을 설치하도록 하였다.  또한, 모듈러형 로봇 장치에 있어서, 각 구성 유닛의 연결 상태를 검출하는 연결 상태 검출 수단과, 구축되는 로봇 장치의 형태를 각 구성 유닛의 연결 상태에 따라서 복수의 카테고리로 분류한 각 카테고리마다의 각 구성 유닛의 연결 상태를 기억하는 기억 수단과, 연결 상태 검출 수단에 의해 검출된 각 구성 유닛의 연결 상태와, 기억 수단에 의해 기억된 각 카테고리마다의 각 구성 유닛의 연결 상태에 근거하여 구축된 로봇 장치의 카테고리를 판별하는 판별 수단을 설치하도록 하였다.
Patent KR-20000037802-A (KR)
Title: Black box system for gun
Inventor: JUNG SOON WI
IPC: G01D21/00
Filed: 1998-12-02
Abstract: PURPOSE: A black box system for a gun is provided to prevent a gun from overshooting, to decide if the gun is used for justice and to be an evidence by not directly changing the data. CONSTITUTION: A load detector(30) detects if a gun(20) is separated from a gun pocket. If so, a microphone transmitter(40) and a timer operator(50) start to output all kinds of records. Then a system detects if a trigger is pulled by a user and if not, the transmitter and the operator record time and sound. If so, a camera jack or a transmitter photographs the situation with a camera. Without camera, the system records only a pulling signal. When the user returns the gun to a center, the records is checked and stored in a central computer for a regulated period. Also, a memory unit and sound and image recorders are stored in the central computer.